Heel-compressing machine.



M. T. DENNE.

HEEL COMPRESSING MACHINE.

APPLICATION FILED ocT.lB.191s.

1,149,556. Patented Aug. 10, 1915.

wmwsses Inventor Q, Mark Thoma Diane,

WMMUW COLUMBIA PLAN c.

- application for MaRK M ENuE; F RII HDEN. ENGLAND;

H L-. Q RBE INGMACHIN Application filedOctober 18, 1913. Serial No. 79 ,064.

To all whom it may concern Be it known that I, MARK THOMAS DENNE, a subject of the King of;- Great Britain and Ireland, residing at Rushden, Northamptonshire, England, have invented new and useful Improvements in or Relat ing to Heel-Compressing Machines, of which the following is a specification.

This invention has reference to improvements in or relating to the heel compressing machine described in the specification of my patent Ser. No. 719701 filed 11th September/12 and it consists in improved means for controlling the table so that the latter during the first portion of its receding movement will be maintained at its normal inclination whereas during the remainder of its movement it will be made to swing outward to a position convenient for the attendant or operator placing a heel thereon.

My said improvement is illustrated in side elevation, partly in section, in the accompanying drawing, in which the same numerals of reference are employed to indicate those parts of the machine'which are common to this and my said previous specification. That is to say the numeral 5 indicates the shaft, 21 the saddle thereon and 18 the table carried thereby; 19 and 20 respectively the breast part and the heel seat part of the mold carried by the table; 25 one of the arms extending from the latter and 3 the cross-head.

In this my invention I provide a vertical pillar 50 located at the back of the machine a part of which forms a vertical slide against which a shoe or the like 51 is slidably held by studs or bolts 52, 53 which latter pass through slots 54 in the pillar.

The arms 25 have blocks 55 pivotally secured to them (of course only one arm 25 and block 55 are visible in the drawing) which blocks are intended to slidably fit in grooves or slots 27 in the shoe 51. The shoe 51 is acted on by a spring 56 (the tension of which may be regulated by suitable known means) tending to move the shoe into its lowermost position as shown in the drawing, and if desired the construction may be such that the studs 52, 53 contact with the lower ends of the slots 54 to limit such downward movement although this is not absolutely necessary as will be explained.

pe fica aof mama Hatented Aug. 10, 1915.

When theshoe- 51 is at its lowest position the slots 27 *are exactly opposite similar slots 57in the pillar 50 in which slots 57 spring pressed bolts 58" are slidably carried the said bolts 58 being at this time projected into the slots 27 of the shoe 51 whereby any movement of said shoe is prevented.

As shown in the drawing, and having in mind the operation of the machine described in my said former specification, the shaft 5 is in its lowermost position with the table tilted to its extreme limit, at which time the attendant places a heel 59 on the mold parts 19, 20. When now the shaft is moved vertically upward, the block 55 will be made to travel along the slot 27 thereby causing the table 18 to be swung inward and these -movements will continue until the block 55 will have pushed the bolt 58 back into the recess 57 so that the adjacent ends of the block 55 and the bolt 58 will be exactly flush with the adjacent faces of the shoe 51 and the pillar 50. At this position of the parts the end or face 21 of the saddle 21 will have been brought into contact with the face of the lower bearing carrying the shaft 5 so that further tilting movement of the table will be prevented. The shaft 5 is made to move still farther upward and during this further movement the table (now horizontal) will move vertically upward the shoe 51 sliding along the face of the pillar 50 in opposition to the pressure of the spring 56 and the compression of the heel Will be effected. Thereafter the shaft 5 and with it the table 18 and shoe 51 will be made to descend and the table will be held in its horizontal position until the slot 27 is again opposite the slot 57 when the bolt 58 will be projected forward and engage in the slot 27 (pushing the block 55 away and slightly tilting the table) and thus prevent further downward movement of the shoe (from this it will be seen that it is not really necessary that the studs 52, 53 should contact with the ends of the slots 541 in order to prevent the shoe moving farther down).

8 Further downward movement of the shaft 5 will cause the table in its downward movement to be further tilted.

It will be observed that during the downward movement of the shoe 51 the pressure of the spring 56 thereon will, acting through the block 55 and arm 25, serve to maintain the table horizontal.

What I claim as my invention and desire to secure by Letters Patent is In a heel compressing machine, the combination with a supporting-frame, a fixed cross-head provided with a die, a vertically reciprocating cross-head and a die-carrying table mounted so that it can swing outward on the said reciprocating cross-head, of a spring-pressed shoe slidable vertically on the supporting frame, a stop to limit the downward movement of the said shoe, a slide block carried in a horizontal slot formed in the said shoe and pivotally connected to an arm projecting from the table,

means for locking the shoe automatically when the said shoe reaches its lowest position and means for automatically unlocking said shoe when the table in its upward movement has been swung into its horizon tal position.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

Witnesses CHAS. BAUER, TRACY LAY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

' Washington, D. G. 

